:root {
    --primary-color: #6366f1;
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --card-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
header {
    padding: 2rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo img {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Hero Section */
.hero {
    padding: 4rem 0 8rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(15, 23, 42, 0) 70%);
    z-index: -1;
}

.hero h2 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -0.025em;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* Screenshots */
.screenshots {
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding-bottom: 6rem;
    flex-wrap: wrap;
}

.screenshot-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 32px;
    padding: 12px;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease;
    width: 280px;
}

.screenshot-card:hover {
    transform: translateY(-10px);
}

.screenshot-card img {
    width: 100%;
    border-radius: 20px;
    display: block;
}

/* Features */
.features {
    padding: 6rem 0;
    background: rgba(255, 255, 255, 0.02);
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-item {
    padding: 2.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.08);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.feature-item h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.feature-item p {
    color: var(--text-muted);
}

/* Support Section */
.support {
    padding: 6rem 0 10rem;
    text-align: center;
}

.support-content {
    max-width: 700px;
    margin: 0 auto;
    padding: 4rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 32px;
    backdrop-filter: blur(10px);
}

.support-email {
    display: inline-block;
    margin-top: 2rem;
    padding: 1rem 2rem;
    background: var(--primary-gradient);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: opacity 0.3s ease;
}

.support-email:hover {
    opacity: 0.9;
}

/* Footer */
footer {
    padding: 4rem 0;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h2, .hero p, .screenshot-card {
    animation: fadeInUp 0.8s ease-out forwards;
}

.hero p { animation-delay: 0.2s; }
.screenshot-card:nth-child(1) { animation-delay: 0.4s; }
.screenshot-card:nth-child(2) { animation-delay: 0.6s; }
.screenshot-card:nth-child(3) { animation-delay: 0.8s; }

/* Responsive */
@media (max-width: 768px) {
    .hero h2 {
        font-size: 2.5rem;
    }
    .screenshots {
        gap: 1rem;
    }
    .screenshot-card {
        width: calc(50% - 0.5rem);
    }
    .screenshot-card:last-child {
        width: 100%;
        max-width: 280px;
    }
    .support-content {
        padding: 2rem;
    }
}